What are the payment terms?

We accept LC, T/T, and Western Union as terms of payment.

What is the lead time for production?

Peak season lead time is one month, and off-season lead time is within 15 workdays.

Weatherproof Neutral Weatherability Silicone Sealant

Name: Weatherproof Neutral Weatherability Silicone Sealant
Brand: Changsha Firm Bond New Material Co., Ltd.
SKU: 703697892

Hunan, ChinaChangsha Firm Bond New Material Co., Ltd.

US$0.70-1.45

2,400 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Silicone, Silicone Rubber

Size

260ml, 280ml.300ml/PC

Model NO.

FBSH series

Package

24PCS/CTN

Meas

28.2X19.5X23.5cm

Shelf Life

9 -12 Months

Raw Material

Silicone

Appearance

Gel

Form

Gel

Type

Silicone Sealant

Seal Tape Kind

High Density Colored PTFE Tapes

Seal Tape Usage

Engineering

State

Nonfluid

Mildew Proof

Not Mildew Proof

Bonding Material

Glass

Transport Package

300ml/PC, 24PCS/CTN

Specification

SGS. GMP, ISO

Trademark

FIRM BOND

Origin

China

HS Code

35061000

Production Capacity

1000ctns/Day

Key features

Excellent Weatherability: Single component neutral cured silicone sealant with perfect adhesion to most building materials.

Long Service Life: Good aging-resistant ability ensures a service life of at least 10 years.

Versatile Application: Suitable for glass, stone, aluminum, wood, ceramics, metal, and plastic sealing and bonding.

Easy to Use: One-component RTV formula requires no primer and features non-sagging, low shrinkage properties.

OEM/ODM Service: We provide OEM/private label and ODM services according to customer's special requests and samples.

Professional Manufacturer: Factory with over 20 years history, 10 automatic lines, and two production bases in China.

Company profile

Changsha Firm Bond New Material Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2013-07-10Nearest Port: Qingdao, GuangzhouAverage Response Time: ≤15hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, FCA, EXW

AI-Powered supplier vetting

SummaryChangsha Firm Bond New Material Co., Ltd. is identified as a China-based manufacturer/factory and group corporation specializing in polyurethane foam, silicone sealant, adhesives, and related products. The supplier reports ISO 9001 certification, more than 10 production lines, 11–20 R&D engineers, 11–20 quality-control staff, and annual polyurethane foam output of 40,000,000 pieces. It states that production began more than 20 years ago and exporting began in 2013. The supplier offers OEM, private-label, and ODM services, and describes one-stop sourcing, technical support, and after-sales service. However, the available trade records show only one transaction associated with each of two buyer entries, so customer-case depth and commercial track record cannot be fully established. The records also show differing locations for the company and production facilities, which may reflect separate administrative and manufacturing sites.

Supplier typeThe supplier is identified as a manufacturer/factory and group corporation, while its company nature is also recorded as a trading company. It has a registered company address in Changsha and reported production bases in Linyi and Foshan, indicating a mixed manufacturing and trading structure with multiple locations.

CertificationsThe supplier explicitly reports holding ISO 9001 certification for its management systems. This provides direct evidence of a formal quality-management certification.

After-Sales capabilityThe supplier states that it provides thoughtful after-sale service and one-stop sourcing support for adhesive and sealant products. The information demonstrates a stated service commitment, but does not detail response procedures, service coverage, or performance metrics.

R&D capabilityThe supplier describes innovation as a continuing focus and reports 11–20 R&D engineers. It also states that its factory has produced polyurethane foam for more than 20 years, supporting established technical experience, although no specific patents, new product launches, or measurable innovation outcomes are provided.

Production capacityThe supplier reports more than 10 production lines, annual polyurethane foam output of 40,000,000 pieces, and two production bases for polyurethane foam and silicone sealant. It also describes 10 automatic production lines and in-house iron-can printing and production, providing explicit evidence of substantial manufacturing infrastructure.

Customization capabilityThe supplier explicitly offers OEM, private-label, and ODM services according to customer requests and samples. This directly supports the ability to provide customized products and branding solutions.

Product Q&A

Q:What is the minimum order quantity?

The MOQ is 100 cartons for our brand and 300 cartons for custom brand.

Q:How to choose the right silicone sealant?

Choose general purpose or neutral for glass/windows, structural for high movement, weatherproof for outdoors, and anti-fungus for kitchens and bathrooms.

Q:How to judge the quality of silicone sealant?

Good quality is indicated by flexibility after cure, clean color, strong adhesion to substrates, and no cracks.

Q:What certificates are required for import?

The basic certificate for import silicone sealant is MSDS.

Q:Can I get samples before ordering?

Yes, tell us your purpose for the silicone used, and we will recommend a suitable one and send you samples.